two2s
發現毛髮的中央纖芯皮層中黃金奈米粒子，可應用在染髮_科技知識酷_ ...
本发明公开了一种光纤纤芯对接板，该光纤纤芯对接板上部设有若干相互平行的可供 携带待对接光纤纤芯的链接器进行滑行的滑槽，所述滑槽的底部并排设有若干固定 ...
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